Home / 129,611.73-194,411.10-50,740.41

Finding the Fourth Proportional to 129,611.73, 194,411.10 and 50,740.41

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Solution

The fourth proportional to 129,611.73, 194,411.10 and 50,740.41 is: 76,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,611.73 : 194,411.10 = 50,740.41 : x
  2. Step 2: Convert to fraction form
    129,611.73/194,411.10 = 50,740.41/x
  3. Step 3: Cross multiply
    129,611.73x = 194,411.10 × 50,740.41
  4. Step 4: Simplify right side
    129,611.73x = 9,864,498,922.55
  5. Step 5: Solve for x
    x = 9,864,498,922.55/129,611.73
  6. Step 6: Final answer
    x = 76,108.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.